The Principle of Observability, the Stage of Empirical Weightlessness of a Theory (SEWT) and Constructive Empiricism (CE)

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This work aims at analyzing the principle of observability (PO) from the formal point of view, making use of its explicit (ontological and epistemological) definitions. It will be made clear that our contemporary interpretation of PO is directly associated with the so called stage of empirical weightlessness of a theory (SEWT).
It will be made clear, too, that it is SEWT exactly that offers ample opportunities in both substantiation of PO and substantiation of van Fraassen's thesis: Emp Ad (L) → (Real (X) → ¬Obs (X)).

Andrey N Pavlenko <>
Institute of Philosophy

Институт философии РАН; Institute of Philosophy

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